Sun visor



FIG. 1 is a diagrammatic perspective view of the sun visor in full lines with a rear view mirror and side visors shown in broken lines representing environmental association matter being for illustrative purposes only and forming no part of the claimed invention;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view of the sun visor;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a right side elevational view thereof, the left side view being a mirror image of the right side view. 

The ornamental design for a sun visor, as shown and described. 